MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fb8e43ab6bf596bffb8f9279cbb1e895d21ec79d699c6b6ab93e3e95837baef. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9fb8e43ab6bf596bffb8f9279cbb1e895d21ec79d699c6b6ab93e3e95837baef
SHA3-384 hash: d5d84e12df0ae852e9faffe578c8f98e7b640735176d16ef8d6d823dd2f76366b901cd8ee7cdef14319aed52c18a6ecf
SHA1 hash: 45f21f25eceb3d5b66870d5b750e4c77786fb7ec
MD5 hash: 220f6f64e0f44e0db58f18a7cf3edc65
humanhash: seven-cold-summer-arizona
File name:proforma Invoice_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:658'432 bytes
First seen:2020-05-13 10:57:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2830448e0168e921d7f350fbcdf737b0 (9 x AgentTesla, 3 x RemcosRAT, 3 x Loki)
ssdeep 12288:awuGAp/gAZ3k+9JJQrm3g9KqtVnn4U/F3Ve2PBIjbmVEo:antPZhrg+UtVDPBGaVb
Threatray 11'699 similar samples on MalwareBazaar
TLSH E1E4B026F7D08937C1A3293E9C5B52949C26BE813D28DD572BE91F4C9F393813429E87
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: staging.maykenbel.com
Sending IP: 195.12.49.182
From: Mr. Samean Sok meth <mdc05@dynamic.com.kh>
Subject: Urgent Notice...Invoice does not bear bank details!!!
Attachment: proforma Invoice_pdf.gz (contains "proforma Invoice_pdf.exe")

AgentTesla SMTP exfil server:
mail.flood-protection.org:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.BorlandDelphi-15
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 12:32:00 UTC
File Type:
PE (Exe)
Extracted files:
265
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t64oiovwx5mwx75y7etzzoy6rfosd3dz22m4nnvlspr6swbxxlxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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AgentTesla
+ 11'689 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/201109-jy51sr5tfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

gz b4f10c95f52347a4c696d10c15a3097a35e1c8fd5deeb4c13d7b8557d4cf0479

AgentTesla

Executable exe 9fb8e43ab6bf596bffb8f9279cbb1e895d21ec79d699c6b6ab93e3e95837baef

(this sample)

  
Dropped by
MD5 4b3bafdc8fc5d6758f6b4c87c1e465c2
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b4f10c95f52347a4c696d10c15a3097a35e1c8fd5deeb4c13d7b8557d4cf0479

Comments